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21st April 2017, 20:38 | #4 | |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
Location: Former Middlesex
Posts: 20,481
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Quote:
"... the sun blind switch contains ... a controller circuit, a Field Effect Transistor (FET) and a current monitor. Each time the switch is pushed, the controller circuit modulates the FET for a timed period to produce the power outputs to the motor and gearbox. The current monitor limits the current draw of the outputs to the motor and gearbox." You don't have to be an electronics wizard to get the gist of that. The timed period is 2.5 ± 0.1 seconds. The maximum current draw is 3.2 ± 0.1 amps for 500 ± 20 mS. See how much technology and effort goes into the design of a toy. Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. |
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